:root {
  --ink: #172126;
  --muted: #68777b;
  --line: #d9e1df;
  --paper: #f5f7f4;
  --surface: #ffffff;
  --teal: #176b6b;
  --teal-soft: #e5f2f0;
  --amber: #8b4b08;
  --amber-soft: #fff1de;
  --red: #a7463d;
  --red-soft: #fbe9e6;
  --shadow: 0 14px 38px rgba(23, 33, 38, .08);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.6 "Segoe UI", "Microsoft YaHei", sans-serif; }
button, input, textarea { font: inherit; }
button { cursor: pointer; }
.skip-link { position: absolute; z-index: 100; top: 8px; left: 8px; transform: translateY(-160%); padding: 10px 14px; border-radius: 5px; background: var(--ink); color: white; }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid #0b68a8; outline-offset: 3px; }
.topbar { min-height: 74px; padding: 14px max(22px, calc((100vw - 1180px) / 2)); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.88); }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 38px; height: 38px; display: grid; place-items: center; background: var(--teal); color: white; border-radius: 10px; font-size: 20px; line-height: 1; font-weight: 700; }
.brand strong, .brand > div > span { display: block; }
.brand strong { font-size: 16px; letter-spacing: .02em; }
.brand > div > span { color: var(--muted); font-size: 12px; }
.topbar-note { color: var(--muted); font-size: 12px; }
.shell { max-width: 1180px; margin: 0 auto; padding: 0 22px 64px; }
.tabs { display: flex; gap: 28px; border-bottom: 1px solid var(--line); margin-bottom: 48px; }
.tab { min-height: 44px; border: 0; background: none; padding: 12px 0 10px; color: var(--muted); border-bottom: 2px solid transparent; }
.tab.is-active { color: var(--ink); border-color: var(--teal); font-weight: 700; }
.count { display: inline-grid; min-width: 20px; height: 20px; place-items: center; margin-left: 4px; padding: 0 5px; border-radius: 99px; background: var(--teal-soft); color: var(--teal); font-size: 11px; }
.view { display: none; }
.view.is-active { display: block; }
.intro { max-width: 700px; margin-bottom: 28px; }
.intro.compact { margin-bottom: 24px; }
.eyebrow { margin: 0 0 8px; color: var(--teal); font-size: 11px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(28px, 4vw, 48px); line-height: 1.13; letter-spacing: -.02em; }
h2 { margin-bottom: 16px; font-size: 25px; line-height: 1.2; }
h3 { margin-bottom: 5px; font-size: 16px; }
.intro p:not(.eyebrow) { color: var(--muted); max-width: 620px; }
.immediate-help { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin: 0 0 22px; padding: 18px 20px; border: 1px solid #e4b9a9; border-left: 5px solid var(--red); border-radius: 8px; background: #fff7f3; }
.immediate-help .eyebrow { margin-bottom: 5px; color: var(--red); }
.immediate-help h2 { margin: 0 0 6px; font-size: 18px; }
.immediate-help p:not(.eyebrow) { max-width: 760px; margin: 0; color: #514946; font-size: 14px; }
.immediate-help-link { flex: 0 0 auto; min-height: 44px; display: inline-flex; align-items: center; padding: 9px 12px; border: 1px solid #d7a79d; border-radius: 6px; color: #80352e; font-weight: 700; text-decoration: none; }
.immediate-help-link:hover { background: #fbe9e6; }
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
.scenario { min-height: 88px; padding: 14px; text-align: left; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); color: var(--ink); transition: .18s ease; }
.scenario:hover, .scenario.is-selected { border-color: var(--teal); box-shadow: 0 5px 16px rgba(23,107,107,.12); transform: translateY(-1px); }
.scenario.is-selected { background: var(--teal-soft); }
.scenario .scenario-icon { color: var(--teal); font-size: 21px; }
.scenario strong, .scenario small { display: block; }
.scenario small { color: var(--muted); font-size: 12px; }
.input-panel, .result-panel, .case-card, .record-item { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; }
.input-panel { padding: 18px; margin-bottom: 18px; }
label { display: block; color: var(--ink); font-weight: 700; }
label span { color: var(--muted); font-weight: 400; font-size: 12px; }
textarea, input { width: 100%; border: 1px solid var(--line); border-radius: 6px; padding: 11px 12px; color: var(--ink); background: #fbfcfb; outline: none; }
input[type="checkbox"] { width: 20px; height: 20px; flex: 0 0 20px; padding: 0; accent-color: var(--teal); }
textarea:focus, input:focus { border-color: var(--teal); box-shadow: 0 0 0 3px rgba(23,107,107,.1); }
.input-panel textarea { margin-top: 7px; resize: vertical; }
.input-tools { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.file-button { position: relative; display: inline-flex; align-items: center; min-height: 44px; width: auto; padding: 7px 10px; border: 1px solid var(--line); border-radius: 5px; background: #fbfcfb; color: var(--teal); font-size: 12px; font-weight: 700; cursor: pointer; }
.visually-hidden-input { position: absolute; width: 1px !important; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.file-button:focus-within { outline: 3px solid #0b68a8; outline-offset: 3px; }
.file-button:disabled { opacity: .45; cursor: not-allowed; }
.capture-status { color: var(--muted); font-size: 12px; }
.image-preview { margin-top: 10px; padding: 8px; border: 1px dashed var(--line); border-radius: 6px; background: #fbfcfb; }
.image-preview img { display: block; max-width: min(480px, 100%); max-height: 220px; border-radius: 4px; }
.region-row { display: flex; align-items: center; gap: 9px; margin-top: 12px; }
.region-row label { font-size: 12px; }
.region-row select { min-width: 130px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 5px; background: white; color: var(--ink); }
.region-help { margin-top: 10px; padding: 10px 12px; border-left: 3px solid var(--teal); background: var(--teal-soft); color: var(--muted); font-size: 12px; }
.region-help ul { margin: 0; padding-left: 18px; }
.region-help > ul > li { margin: 5px 0; }
.region-sources { margin-top: 10px; padding-top: 8px; border-top: 1px solid rgba(23,107,107,.18); }
.region-sources > strong { display: block; margin-bottom: 4px; color: var(--ink); font-size: 11px; }
.region-sources ul { display: flex; flex-wrap: wrap; gap: 4px 16px; list-style: none; padding: 0; }
.region-sources a { color: var(--teal); text-decoration-thickness: 1px; text-underline-offset: 2px; }
.region-calls { margin: 0 0 10px; padding-bottom: 10px; border-bottom: 1px solid rgba(23,107,107,.18); }
.region-calls > strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 12px; }
.region-call-fallback { margin: 4px 0 0; padding: 8px 10px; border-radius: 5px; background: rgba(255,255,255,.72); color: var(--muted); font-size: 12px; }
.region-calls ul { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 230px), 1fr)); gap: 8px; list-style: none; padding: 0; }
.region-call { display: flex; min-height: 48px; flex-direction: column; justify-content: center; gap: 2px; padding: 8px 10px; border: 1px solid rgba(23,107,107,.35); border-radius: 6px; background: #fff; color: var(--teal); text-decoration: none; }
.region-call:hover, .region-call:focus-visible { background: #f3fbfa; outline: 2px solid #0b68a8; outline-offset: 2px; }
.region-call span { color: var(--muted); font-size: 11px; }
.region-action-links { margin: 0 0 10px; padding: 9px 11px; border: 1px solid rgba(23,107,107,.25); border-radius: 6px; background: rgba(255,255,255,.72); }
.region-action-links > strong { display: block; margin-bottom: 6px; color: var(--ink); font-size: 12px; }
.region-action-links ul { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; margin: 0; padding: 0; list-style: none; }
.region-action-link { display: inline-flex; min-height: 48px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 3px; padding: 8px 11px; border-radius: 5px; background: var(--teal); color: #fff !important; font-size: 14px; font-weight: 700; text-decoration: none; }
.region-action-link span { color: rgba(255,255,255,.92); font-size: 12px; font-weight: 400; }
.region-action-link:hover, .region-action-link:focus-visible { background: #105757; outline: 2px solid #0b68a8; outline-offset: 2px; }
.urgent-region { margin: 0 0 22px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.urgent-region h3 { margin: 0 0 4px; font-size: 16px; }
.urgent-region > p { margin: 0; color: var(--muted); font-size: 13px; }
.urgent-region .region-row { margin-top: 10px; }
.input-footer { display: flex; justify-content: space-between; align-items: center; gap: 18px; margin-top: 12px; }
.privacy-note { color: var(--muted); font-size: 12px; }
.primary-button, .secondary-button { border: 0; border-radius: 6px; padding: 10px 16px; font-weight: 700; white-space: nowrap; }
.primary-button { background: var(--teal); color: white; }
.primary-button:hover { background: #115858; }
.secondary-button { border: 1px solid var(--teal); background: white; color: var(--teal); }
.text-button { min-height: 44px; border: 0; padding: 10px 0; background: transparent; color: var(--muted); }
.result-panel { min-height: 190px; padding: 22px; }
.result-empty { min-height: 145px; display: grid; place-items: center; text-align: center; color: var(--muted); }
.empty-icon { width: 30px; height: 30px; display: grid; place-items: center; margin-bottom: 8px; border: 1px dashed #aebcba; border-radius: 50%; color: var(--teal); font-size: 20px; }
.result-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.risk-badge { padding: 6px 10px; border-radius: 5px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.risk-high { color: var(--red); background: var(--red-soft); }
.risk-medium { color: var(--amber); background: var(--amber-soft); }
.risk-low { color: var(--teal); background: var(--teal-soft); }
.result-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding-top: 18px; }
.result-columns h3 { color: var(--teal); font-size: 13px; letter-spacing: .04em; }
.signal-list, .action-list { margin: 0; padding-left: 20px; }
.signal-list li, .action-list li { margin: 7px 0; }
.action-list li::marker { color: var(--teal); }
.result-bottom { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.result-bottom p { margin: 0; color: var(--muted); font-size: 13px; }
.library-tools { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.content-scope-note { margin: 0 0 16px; padding: 12px 14px; border-left: 3px solid #527b88; border-radius: 4px; background: #eef5f6; color: #334a50; font-size: 13px; line-height: 1.65; }
.search-wrap { width: min(380px, 100%); display: flex; align-items: center; gap: 8px; padding: 0 10px; border: 1px solid var(--line); border-radius: 6px; background: white; color: var(--muted); }
.search-wrap input { border: 0; padding-left: 0; box-shadow: none; background: transparent; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 7px; justify-content: flex-end; }
.chip { min-height: 44px; border: 1px solid var(--line); border-radius: 99px; padding: 7px 12px; background: white; color: var(--muted); font-size: 12px; }
.chip.is-active { border-color: var(--teal); background: var(--teal-soft); color: var(--teal); }
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.case-card { padding: 18px; }
.case-card .case-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; }
.case-card h3 { margin-top: 18px; }
.case-card p { color: var(--muted); font-size: 13px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag { padding: 3px 7px; border-radius: 4px; background: var(--amber-soft); color: var(--amber); font-size: 11px; }
.records-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.toolbar-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.records-list { display: grid; gap: 10px; }
.records-safety-note { margin: 0 0 14px; padding: 12px 14px; border-left: 3px solid #a85d14; border-radius: 0 6px 6px 0; background: #fff8ec; color: #514536; font-size: 13px; line-height: 1.55; }
.record-item { display: flex; justify-content: space-between; gap: 18px; padding: 18px; }
.record-item p { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.record-side { display: flex; align-items: flex-start; gap: 16px; }
.record-actions { display: flex; align-items: center; gap: 10px; }
.record-actions button { min-height: 44px; }
.record-time { color: var(--muted); font-size: 12px; white-space: nowrap; }
.record-status { display: inline-block; margin-right: 6px; color: var(--ink); font-weight: 600; }
.incident-choices { margin: 16px 0; padding: 12px; border: 1px solid var(--line); border-radius: 8px; min-width: 0; }
.input-panel .incident-choices { margin: 14px 0 8px; }
.incident-choices legend { font-weight: 600; }
.incident-choices p { font-size: 13px; color: var(--muted); }
.incident-choices label { display: flex; min-height: 44px; gap: 10px; align-items: center; padding: 10px 0; cursor: pointer; }
.incident-choices input[type="checkbox"] { width: 20px; height: 20px; margin: 0; flex: 0 0 20px; padding: 0; }
.incident-choices label { font-weight: 400; }
.quick-actions { margin: 0 0 16px; padding: 14px 16px; border-left: 3px solid var(--teal); border-radius: 0 6px 6px 0; background: var(--teal-soft); }
.quick-actions h3 { margin-bottom: 4px; color: var(--teal); }
.quick-actions-status { margin: 0; color: var(--muted); font-size: 13px; }
.quick-actions .action-list { margin-top: 8px; }
#storageNotice { position: sticky; bottom: 0; margin: 12px; padding: 16px; background: #fff3e0; border: 1px solid #ba6511; z-index: 20; }
.record-item > div { min-width: 0; overflow-wrap: anywhere; }
.record-item p { white-space: pre-wrap; }
@media (max-width: 600px) { .record-item { flex-direction: column; } .record-side { justify-content: space-between; align-items: center; } .record-actions { gap: 8px; } }
.urgent-panel { margin-top: 16px; padding: 16px; border: 1px solid #e4b9a9; border-radius: 8px; background: #fff7f3; }
.urgent-panel h3 { margin: 0 0 5px; }
.urgent-panel p { margin: 0; color: var(--muted); font-size: 13px; }
.urgent-panel .action-list { margin: 10px 0 0 20px; }
.delete-record { border: 0; padding: 0; background: transparent; color: var(--muted); font-size: 12px; }
.delete-record:hover { color: var(--red); }
.empty-records { padding: 42px; border: 1px dashed #b9c6c4; color: var(--muted); text-align: center; }
.tool-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.tools-actions { display: flex; justify-content: flex-end; margin-bottom: 14px; }
.tool-card { border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 20px; }
.tool-card h2 { margin: 8px 0 8px; font-size: 21px; }
.tool-card p { color: var(--muted); font-size: 13px; }
.tool-card ol { margin: 12px 0 0; padding-left: 22px; }
.tool-card li { margin: 7px 0; }
.tool-card li::marker { color: var(--teal); font-weight: 700; }
.practice-progress { display: flex; justify-content: space-between; margin-bottom: 10px; color: var(--muted); font-size: 12px; }
.practice-card { max-width: 760px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); padding: 24px; }
.practice-card h2 { margin-bottom: 12px; font-size: 24px; }
.practice-scene { color: var(--teal); font-size: 12px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.exercise-options { display: grid; gap: 9px; margin: 20px 0; }
.exercise-option { width: 100%; padding: 13px 14px; text-align: left; border: 1px solid var(--line); border-radius: 6px; background: #fbfcfb; color: var(--ink); }
.exercise-option:hover, .exercise-option.is-selected { border-color: var(--teal); background: var(--teal-soft); }
.exercise-option.is-correct { border-color: var(--teal); background: var(--teal-soft); }
.exercise-option.is-wrong { border-color: var(--red); background: var(--red-soft); }
.exercise-feedback { margin: 12px 0 0; padding: 12px; border-left: 3px solid var(--teal); background: #f5faf9; color: var(--muted); font-size: 13px; }
.practice-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.footer { max-width: 1180px; margin: 0 auto; padding: 18px 22px 28px; display: flex; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 11px; border-top: 1px solid var(--line); }
.footer a { color: var(--teal); text-decoration: none; font-weight: 700; }
dialog { width: min(520px, calc(100% - 32px)); max-height: calc(100vh - 24px); max-height: calc(100dvh - 24px); overflow-y: auto; overscroll-behavior: contain; border: 0; border-radius: 8px; padding: 0; box-shadow: var(--shadow); }
dialog::backdrop { background: rgba(23,33,38,.35); }
.dialog-card { position: relative; max-height: inherit; overflow-y: auto; overscroll-behavior: contain; padding: 22px; }
.dialog-card label { margin: 14px 0; }
.dialog-card input, .dialog-card textarea { margin-top: 6px; font-weight: 400; }
.dialog-close { position: absolute; top: 8px; right: 8px; min-width: 44px; min-height: 44px; border: 0; background: transparent; color: var(--muted); font-size: 24px; }
.dialog-actions { position: sticky; bottom: 0; z-index: 2; display: flex; justify-content: flex-end; gap: 10px; margin: 18px -22px -22px; padding: 12px 22px 16px; border-top: 1px solid var(--line); background: var(--surface); }
.dialog-actions > button { min-height: 44px; }
@media (max-width: 780px) {
  .topbar { align-items: flex-start; gap: 12px; }
  .brand > div { min-width: 0; }
  .brand strong, .brand span { overflow-wrap: anywhere; }
  .topbar-note { flex: 0 0 auto; }
  .topbar-note { max-width: 120px; text-align: right; }
  .tabs { margin-bottom: 34px; }
  .tabs { gap: 14px; overflow-x: auto; }
  .tab { flex: 0 0 auto; }
  .scenario-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .result-columns, .case-grid, .tool-grid { grid-template-columns: 1fr; }
  .library-tools, .input-footer, .footer { align-items: stretch; flex-direction: column; }
  .immediate-help { align-items: stretch; flex-direction: column; gap: 12px; }
  .immediate-help-link { align-self: flex-start; }
  .filter-chips { justify-content: flex-start; }
}
@media (max-width: 440px) {
  .shell { padding-left: 15px; padding-right: 15px; }
  .topbar { flex-wrap: wrap; padding-left: 15px; padding-right: 15px; }
  .topbar-note { max-width: none; text-align: left; }
  .scenario-grid { gap: 8px; }
  .scenario { min-width: 0; min-height: 82px; padding: 11px; overflow-wrap: anywhere; }
  .input-footer { gap: 12px; }
  .primary-button { width: 100%; }
  .region-row { align-items: flex-start; flex-wrap: wrap; }
  .records-toolbar { align-items: flex-start; flex-direction: column; gap: 10px; }
  .toolbar-actions { width: 100%; justify-content: flex-start; gap: 4px 16px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; } }
@media print {
  body { background: white; }
  .topbar, .tabs, .intro, .tools-actions, .footer { display: none !important; }
  .shell { padding: 0; }
  #view-tools { display: block !important; }
  .tool-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .tool-card { break-inside: avoid; border-color: #aeb8b6; }
}